CN114703737B - Dyke-dam-breaking rapid plugging auxiliary system and dyke-dam-breaking rapid plugging auxiliary method - Google Patents
Dyke-dam-breaking rapid plugging auxiliary system and dyke-dam-breaking rapid plugging auxiliary method Download PDFInfo
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- CN114703737B CN114703737B CN202111564037.3A CN202111564037A CN114703737B CN 114703737 B CN114703737 B CN 114703737B CN 202111564037 A CN202111564037 A CN 202111564037A CN 114703737 B CN114703737 B CN 114703737B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007667 floating Methods 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 238000004873 anchoring Methods 0.000 claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 230000009172 bursting Effects 0.000 claims description 4
- 239000002023 wood Substances 0.000 description 7
- 239000004746 geotextile Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/005—Piers, trestles, bearings, expansion joints or parapets specially adapted for portable or sectional bridges
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/121—Devices for applying linings on banks or the water bottom
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Revetment (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a rapid blocking auxiliary system and a rapid blocking method for dam breaking, wherein the blocking auxiliary system comprises a plurality of power floating bridge river boats, lifting cylinders, sleeves, pile legs, a combined steel bridge, piling operation equipment and an anchoring system; the pile legs are arranged on the power floating bridge river middle boat, the sleeve is sleeved outside the pile legs and driven by the lifting oil cylinder to be clamped with the pile legs, and the power floating bridge river middle boat is supported on the water surface through the pile legs; carrying and fixing piling operation equipment on a power floating bridge river boat; when the dam is in leakage dangerous condition but not broken, the two or more power floating bridge middle-river boats form a self-sailing operation platform to assist in searching and plugging leakage sites; when the dam is broken, two ends of the combined steel bridge are fixedly connected with the boat in the power floating bridge river respectively to form a split type operation platform which spans the break opening, and the split type operation platform is fixed with the dams at two sides of the break opening through an anchoring system. The invention has flexible movement, wide range of adapting to the breach width and improved plugging speed.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering construction and flood prevention, in particular to a dam-breaking rapid blocking auxiliary system and method.
Background
The embankment project is one of the most common and effective measures for resisting flood, and is widely applied to water conservancy flood control projects. However, due to the influence of economic conditions, historical reasons and other problems, the conventional embankment in China has various hidden dangers such as poor embankment conditions, poor embankment materials and poor building quality. When the embankment is struck by flood, flood exceeds the resistance of the embankment, or the embankment is soaked for a long time by high-level flood, improper protection can cause breach.
For various reasons, the dike breach phenomenon is difficult to eliminate, and the traditional breach blocking technology in China mainly comprises soil and stone breach, gabion breach, piling and occupying method breach, sunken ship breach, 22525square method breach and the like, but is limited by conditions such as water depth, flow velocity, fall, soil property and the like at breach. The technology has the advantages of high implementation difficulty, more preparation work, low construction efficiency, high risk coefficient of operators, great consumption of manpower and material resources, long construction time, large inundation range and large loss of lives and property of people.
Therefore, how to increase the plugging speed and reduce the flood drainage and the downstream property loss is a necessary requirement.
Disclosure of Invention
In view of the above, the invention provides a rapid blocking auxiliary system and a rapid blocking method for dam breaking, which are flexible, wide in adaptation range of breach width and capable of improving blocking speed.
The technical scheme adopted by the invention is as follows:
a rapid blocking auxiliary system for dam breaking comprises a plurality of power floating bridge river-middle boats, lifting cylinders, sleeves, pile legs, a combined steel bridge, piling operation equipment and an anchoring system;
the pile legs are arranged on the power floating bridge river middle boat, the sleeve is sleeved outside the pile legs and driven by the lifting oil cylinder to be clamped with the pile legs, and the power floating bridge river middle boat is supported on the water surface through the pile legs; the power floating bridge river middle boat is used for bearing and fixing piling operation equipment;
when the dam is in leakage dangerous condition but not broken, the two or more power floating bridge middle-river boats form a self-sailing operation platform to assist in searching and plugging leakage sites;
when the dam is broken, two ends of the combined steel bridge are fixedly connected with the boat in the power floating bridge river respectively to form a split type operation platform which spans the break, and the split type operation platform is fixed with the dams at two sides of the break through an anchoring system.
Further, the pile leg is a pile leg with teeth, the pile leg with teeth can be lengthened according to the water depth, and the teeth on the pile leg with teeth are symmetrically arranged about the axis; and grooves in clearance fit with the teeth are formed in the sleeve, and when the sleeve grooves are matched with the teeth, the sleeve and the pile leg with the teeth can move relatively along the axial direction.
Further, the combined steel bridge comprises a steel box girder, an end box girder, a transverse connecting girder, a guide sleeve and guardrails;
the end box girders are longitudinally divided into two rows, and the transverse end box girders are fixedly connected through transverse connecting girders; the outer side of the steel box girder is provided with a guide sleeve and a guardrail.
A rapid blocking method for dam breaking adopts more than two power floating bridge river middle boats to form a self-sailing operation platform to assist in searching and blocking leakage sites when dam leakage dangerous cases are not broken;
when the dam is broken, two ends of the combined steel bridge are respectively and fixedly connected with a boat in a power floating bridge river to form a split working platform, the split working platform spans to a break through an anchoring system and is fixed with the dams at two sides of a breach, and piling operation equipment performs piling operation on the working platform; and (5) intercepting and plugging.
Further, when a leakage dangerous situation occurs but is not broken, the specific plugging method comprises the following steps:
step one, reinforcing dam heads at two ends of a crumple, wherein the length range is not smaller than 10m;
combining more than two working platforms of the power floating bridge river middle boat, and driving piling working equipment to the working platforms; 4 pile legs are respectively arranged on the power floating bridge river middle boats at two ends in an auxiliary manner through piling operation equipment, and plugging materials are loaded on an operation platform;
step three, the operation platform is navigated to the position of the crumple opening and spans across the two ends of the crumple opening, and is respectively fixed with the two ends of the crumple opening, and the pile leg is put down and fixed with the operation platform;
step four, the piling operation equipment further stabilizes the operation platform;
and fifthly, throwing the plugging materials from the operation platform to basically cut off the breach, and performing subsequent breach throwing, filling, slope protection and reinforcement treatment.
Further, when the dam is broken, the specific plugging method comprises the following steps:
step one, reinforcing dam heads at two ends of a crumple, wherein the length range is not smaller than 35m;
step two, combining more than two working platforms of the power floating bridge river middle boat, erecting a combined steel bridge, and hoisting the combined steel bridge to the center of the working platform through a crane;
thirdly, the operation platform is unfastened from the middle part, and after the operation platform is mutually separated until the width of the breach is reached, the two ends of the combined steel bridge are fixed with the operation platform;
driving piling operation equipment to an operation platform; 4 pile legs are respectively arranged on the power floating bridge river middle boats at two ends in an auxiliary manner through piling operation equipment, and plugging materials are loaded on an operation platform;
fifthly, anchoring the upstream of the bursting port by using a power floating bridge river middle boat as an anchoring boat;
step six, the operation platform sails to the upstream of the burst opening and is vertical to the dam, one corner of the shore-side end is fixed with the shore, and the other end is connected with an anchor boat winch steel wire rope;
step seven, releasing the steel wire ropes of the anchor boat winch, and enabling the operation platform to rotate and cross to two sides of the breach by adopting a rotation method;
step eight, fixing the operation platform with the dikes at two sides of the breach, putting down the pile leg and fixing with the operation platform;
step nine, piling operation equipment further stabilizes an operation platform;
and step ten, throwing the plugging materials from the operation platform to basically cut off the breach, and performing subsequent breach throwing, filling, slope protection and reinforcement treatment.
The beneficial effects are that:
the components of the system can be in a vehicle-mounted mode, can be quickly moved to the vicinity of the dangerous situation occurrence site, and can be quickly unfolded for operation. After the dam is broken, the two ends of the dam and the break opening are often fragile, medium and large-sized engineering machinery or vehicles are difficult to carry out plugging operation through the dam to the break opening, and the device is unrealistic to be unfolded from the air and can carry out plugging operation from water.
Drawings
Fig. 1 (a), (b) and (c) are general layout diagrams of three use conditions of the present invention.
FIG. 2 is a schematic view of a dynamic floating bridge mid-river boat according to the present invention.
Fig. 3 is a schematic view of a leg of the present invention.
Fig. 4 (a) is a schematic view of the composite steel bridge of the present invention, and (b) is a left side view of (a).
Fig. 5 is a schematic view of an anchoring system according to the present invention.
Fig. 6 (a) - (d) are schematic diagrams of the operation flow under the low flow rate breach condition of the present invention.
Fig. 7 (a) - (i) are schematic diagrams of the operation flow under the high flow rate breach condition of the present invention.
The pile comprises a 1-pile leg, a 2-lifting oil cylinder, a 3-lower sleeve, a 4-upper sleeve, a 5-steel box girder, a 6-end box girder, a 7-transverse connecting girder, 8-piling operation equipment, a 9-guide cylinder and 10-guardrails.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The invention provides a rapid blocking auxiliary system for dam breaking, which comprises a plurality of power floating bridge river-middle boats, lifting cylinders 2, sleeves, pile legs 1, a combined steel bridge, piling operation equipment 8 and an anchoring system;
as shown in fig. 2, the power pontoon is the main body of the working platform, which is composed of a plurality of power pontoon, and is used for bearing and fixing the piling working device 8 and placing steel, wooden piles and other plugging materials. The main difference with the existing river boat is that the lifting oil cylinder 2 is arranged in the power floating bridge river square boat, the sleeve for fixing the pile leg 1 is additionally arranged, and the whole operation platform can be supported by the hydraulic oil cylinder and the sleeve matched with the pile leg 1, so that the stability of the operation on water is improved.
As shown in fig. 3, the pile leg 1 is a toothed pile leg, and can be lengthened according to the water depth. The hydraulic power source for lifting and lowering the pile leg 1 is provided by pile driving equipment 8 or a movable hydraulic pump station. The teeth on the toothed spud leg are symmetrically arranged about the axis. The pile leg 1 is arranged on a boat in a power floating bridge river, the sleeve is divided into an upper sleeve 4 and a lower sleeve 3, the upper sleeve 4 and the lower sleeve 3 are sleeved outside the pile leg 1 and are clamped with the teeth, meanwhile, grooves are symmetrically formed in the upper sleeve 4 and the lower sleeve 3, and when the grooves are matched with the gaps of the teeth, the upper sleeve 4 and the lower sleeve 3 can move relative to the pile leg with the teeth along the axial direction. The lower sleeve 3 is fixedly connected with a power floating bridge river middle ark; the upper sleeve 4 is driven by the lifting oil cylinder 2 to lift, and is clamped with the pile leg 1 after reaching a proper position, so that the power floating bridge river boat is supported on the water surface through the pile leg 1.
The combined steel bridge can be erected on a power floating bridge river boat when the breach flow rate is high, forms a split portal bridge together with the power floating bridge river boat, and is then fixed on two sides of the breach, so that the high breach flow rate is overcome, and conditions are created for the operation of piling operation equipment 8.
As shown in fig. 4 (a) and (b), the composite steel bridge is composed of steel box girders 5, end box girders 6, and transverse connection girders 7. The end box girders 6 are longitudinally arranged in two rows, the transverse end box girders 6 are fixedly connected through transverse connecting girders 7, the whole connecting girders are placed on a bridge formed by a plurality of power floating bridge middle-boat-shaped bridges through a crane after being erected, a flat roll with a limiting device is arranged on a bridge deck, the bridge is unfolded from the middle to form two bridges, the two bridges are separated from each other, after the distance reaches the width of a bursting hole, the flat roll falling bridge is removed, and the two ends of the combined steel bridge are fixed with the overlapping parts of the bridge.
Preferably, the steel box girder 5 is provided with a guide cylinder 9 and a guardrail 10 at the outer side. The guide cylinder 9 is used for overcoming the impact force of water flow when piling at high flow speed, so that the steel-wood pile is kept vertical; the guard rail 10 serves to prevent the pile driving device 8 from falling down without affecting the turning back of the pile driving device 8.
The pile driving operation equipment 8 consists of an excavator and a vibration hydraulic pile driver, the original bucket is replaced by the vibration hydraulic pile driver to implement pile driving operation, and the pile head can be replaced according to the type of the pile, so that the pile can be clamped and driven by the pile head.
As shown in fig. 5, the anchoring system is used for helping the split type operation platform formed by the power floating bridge river boat and the combined steel bridge to successfully cross at the two ends of the breach under the high flow rate. The power floating bridge river boat with the temporary anchoring device is anchored at a position far away from the breach and with slower water flow.
Auxiliary equipment is also needed in the plugging process, and comprises a movable hydraulic pump station, a roll, a jack, a boat assembly tool, a hook pole and the like.
The plugging method has the following operation flow under three working conditions:
working condition one: dangerous case exploration such as dam leakage
As shown in fig. 1 (a), the two power floating bridge river middle boat flashing forms a two boat operation platform, and the two power floating bridge river middle boat flashing is matched with a dam leakage detection instrument or equipment to carry out inspection on a dam on water, and after a specific position is found, the operation platform carries corresponding treatment equipment to carry out grouting, geotextile covering, water stop rubber embedding and other methods to carry out dangerous case treatment.
Working condition II: low flow rate breach shutoff
When the flow rate near the breach is low, the power pontoon can adapt to the power pontoon, and the main operation flow of the blocking under the condition is that after the dam head at the breach is reinforced, the power pontoon is utilized to splice the middle boat in the river to form an operation platform, the operation platform sails and spans to the breach, piling operation equipment 8 carries out piling operation on the operation platform, and after geotextiles, woven bags and the like are thrown together with a pile group, the breach is basically intercepted, other engineering machinery carries out subsequent breach throwing and filling, slope protection and reinforcing treatment.
As shown in (a) to (d) of fig. 6, the specific operation flow is as follows:
step one, reinforcing dam heads at two ends of a crumple, wherein the length range is not smaller than 10m;
step two, combining more than two working platforms of the power floating bridge river middle boat at the dam safety position, and driving piling working equipment 8 to the working platform; 4 pile legs 1 are respectively arranged on the power floating bridge river middle boats at two ends in an auxiliary manner through piling operation equipment 8, and steel, wood piles, plugging materials, auxiliary operation equipment and the like are loaded on an operation platform;
step three, the operation platform is navigated to the position of the crumple opening and spans across the two ends of the crumple opening, and is respectively fixed with the two ends of the crumple opening, and the pile leg 1 is put down and fixed with the operation platform so as to support the platform;
step four, piling operation equipment 8 is used for piling steel and wood piles at four corners of the operation platform to further stabilize the operation platform;
fifthly, driving steel-wood piles at the breach by pile driving operation equipment 8;
step six, throwing geotextile, woven bags and the like from the operation platform to basically cut off the breach together with the pile group, and then carrying out subsequent breach throwing and filling, slope protection and reinforcement treatment on other engineering machinery.
And (3) working condition III: high flow rate breach shutoff
When the breach flow rate is too high, the power pontoon can not adapt to the power pontoon, and the main operation flow of the blocking under the condition is to utilize the power pontoon to splice the component of the combined steel bridge to form a component operation platform after the dam head at the breach is reinforced, the operation platform stretches across to the breach under the assistance of an anchoring system, piling operation equipment 8 piles on the operation platform, and after geotextiles, woven bags and the like are thrown together with piles to basically cut off the breach, other engineering machinery performs subsequent breach throwing filling, slope protection and reinforcing treatment.
As shown in fig. 7 (a) to 7 (i), the specific operation flow is as follows:
step one, reinforcing dam heads at two ends of a crumple, wherein the length range is not smaller than 35m;
step two, combining the dam safety positions into more than two operation platforms of the power floating bridge river middle boat, and arranging a roll on the bridge deck; erecting a combined steel bridge on the shore, and hoisting the combined steel bridge to the center of an operation platform through a crane;
thirdly, unlocking the operation platform from the middle part to form two door bridges, removing the horizontal rolling and falling combined steel bridge after the door bridges are mutually separated to reach the breach width, and fixing the two ends of the combined steel bridge with the operation platform;
step four, driving the piling working equipment 8 to a working platform; 4 pile legs 1 are respectively installed on power floating bridge river boats at two ends in an auxiliary manner through piling operation equipment 8, and steel, wood piles and auxiliary operation equipment are loaded on an operation platform;
fifthly, anchoring the upstream of the bursting port by using a power floating bridge river middle boat as an anchoring boat;
step six, the operation platform sails to the upstream of the burst opening and is vertical to the dam, one corner of the shore-side end is fixed with the shore, and the other end is connected with an anchor boat winch steel wire rope;
step seven, slowly releasing the steel wire rope of the anchor boat winch, and slowly rotating the operation platform to cross to two sides of the breach by adopting a rotating method;
step eight, fixing the operation platform with the dykes at two sides of the breach, putting down the pile leg 1 and fixing the pile leg with the operation platform to support the operation platform;
step nine, piling operation equipment 8 is used for piling steel and wood piles at four corners of the operation platform to further stabilize the operation platform;
tenth, the piling operation equipment 8 drills steel-wood piles at the breach;
eleventh, after geotextile, woven bags and the like are thrown from the operation platform and the pile group are used for basically intercepting the breach, other engineering machinery performs subsequent breach throwing and filling, slope protection and reinforcement treatment.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The rapid blocking auxiliary system for the dam breaking is characterized by comprising a plurality of power floating bridge river-middle boats, lifting cylinders, sleeves, pile legs, a combined steel bridge, piling operation equipment and an anchoring system;
the pile legs are arranged on the power floating bridge river middle boat, the sleeve is sleeved outside the pile legs and driven by the lifting oil cylinder to be clamped with the pile legs, and the power floating bridge river middle boat is supported on the water surface through the pile legs; the power floating bridge river middle boat is used for bearing and fixing piling operation equipment;
when the dam is in leakage dangerous condition but not broken, the two or more power floating bridge middle-river boats form a self-sailing operation platform to assist in searching and plugging leakage sites;
when the dam is broken, two ends of the combined steel bridge are fixedly connected with the boat in the power floating bridge river respectively to form a split type operation platform which spans the break, and the split type operation platform is fixed with the dams at two sides of the break through an anchoring system.
2. The rapid plugging auxiliary system for dam breaking according to claim 1, wherein the pile leg is a toothed pile leg, the pile leg can be lengthened according to the water depth, and teeth on the toothed pile leg are symmetrically arranged about an axis; and grooves in clearance fit with the teeth are formed in the sleeve, and when the sleeve grooves are matched with the teeth, the sleeve and the pile leg with the teeth can move relatively along the axial direction.
3. The dam-break rapid plugging auxiliary system according to claim 1, wherein the combined steel bridge comprises a steel box girder, an end box girder, a transverse connecting girder, a guide sleeve and a guardrail;
the steel box girders are longitudinally divided into two rows, the end box girders are arranged at two ends of the two rows of steel box girders, and the transverse steel box girders are fixedly connected through transverse connecting girders; the outer side of the steel box girder is provided with a guide sleeve and a guardrail.
4. A rapid blocking method for dam breaking is characterized in that when a dam is in leakage dangerous condition but not broken, more than two power floating bridge river middle boats form a self-sailing operation platform to assist in searching and blocking leakage sites;
when the dam is broken, two ends of the combined steel bridge are respectively and fixedly connected with a boat in a power floating bridge river to form a split working platform, the split working platform spans to a break through an anchoring system and is fixed with the dams at two sides of a breach, and piling operation equipment performs piling operation on the working platform; and (5) intercepting and plugging.
5. The rapid dam breach blocking method of claim 4, wherein when a leak hazard is present but not breach, the specific blocking method comprises the following steps:
step one, reinforcing dam heads at two ends of a crumple, wherein the length range is not smaller than 10m;
combining more than two working platforms of the power floating bridge river middle boat, and driving piling working equipment to the working platforms; 4 pile legs are respectively arranged on the power floating bridge river middle boats at two ends in an auxiliary manner through piling operation equipment, and plugging materials are loaded on an operation platform;
step three, the operation platform is navigated to the position of the crumple opening and spans across the two ends of the crumple opening, and is respectively fixed with the two ends of the crumple opening, and the pile leg is put down and fixed with the operation platform;
step four, the piling operation equipment further stabilizes the operation platform;
and fifthly, throwing the plugging materials from the operation platform to basically cut off the breach, and performing subsequent breach throwing, filling, slope protection and reinforcement treatment.
6. The rapid plugging method for dike breach as claimed in claim 4, wherein when the dike breach occurs, the specific plugging method comprises the following steps:
step one, reinforcing dam heads at two ends of a crumple, wherein the length range is not smaller than 35m;
step two, combining more than two working platforms of the power floating bridge river middle boat, erecting a combined steel bridge, and hoisting the combined steel bridge to the center of the working platform through a crane;
thirdly, the operation platform is unfastened from the middle part, and after the operation platform is mutually separated until the width of the breach is reached, the two ends of the combined steel bridge are fixed with the operation platform;
driving piling operation equipment to an operation platform; 4 pile legs are respectively arranged on the power floating bridge river middle boats at two ends in an auxiliary manner through piling operation equipment, and plugging materials are loaded on an operation platform;
fifthly, anchoring the upstream of the bursting port by using a power floating bridge river middle boat as an anchoring boat;
step six, the operation platform sails to the upstream of the burst opening and is vertical to the dam, one corner of the shore-side end is fixed with the shore, and the other end is connected with an anchor boat winch steel wire rope;
step seven, releasing the steel wire ropes of the anchor boat winch, and enabling the operation platform to rotate and cross to two sides of the breach by adopting a rotation method;
step eight, fixing the operation platform with the dikes at two sides of the breach, putting down the pile leg and fixing with the operation platform;
step nine, piling operation equipment further stabilizes an operation platform;
and step ten, throwing the plugging materials from the operation platform to basically cut off the breach, and performing subsequent breach throwing, filling, slope protection and reinforcement treatment.
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| CN202111564037.3A CN114703737B (en) | 2021-12-20 | 2021-12-20 | Dyke-dam-breaking rapid plugging auxiliary system and dyke-dam-breaking rapid plugging auxiliary method |
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| CN202111564037.3A CN114703737B (en) | 2021-12-20 | 2021-12-20 | Dyke-dam-breaking rapid plugging auxiliary system and dyke-dam-breaking rapid plugging auxiliary method |
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| CN114703737B true CN114703737B (en) | 2023-11-03 |
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| CN114703737A (en) | 2022-07-05 |
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